$(function () {
    $('.date-picker').datepicker({
        autoclose: true,
        todayHighlight: true
    });
    
    var btnone = $("#btnss"),
        conterS = $("#goods_nav_one"),
        spanS = $("#spanss");
    
    btnone.on("click", function () {
        conterS.slideDown();
    });
    spanS.on("click", function () {
        conterS.slideUp();
    });
    
});